.purchase .screen-inner { max-width: 760px; padding-top: 84px; padding-bottom: 56px; }
.purchase .nav .brand, .purchase .nav a { color: var(--fg); }
.panel { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 32px 24px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
@media (min-width: 640px) { .panel { padding: 44px 48px; } }

.lead { text-align: center; }
.lead h1 { font-family: var(--font-serif); font-weight: 500; letter-spacing: 0.18em; color: var(--gold); font-size: 1.5rem; margin: 0 0 28px; white-space: nowrap; }
.lead h1::before, .lead h1::after { content: "──"; color: var(--gold-dim); margin: 0 0.6em; letter-spacing: 0; }

.lead p, .includes li small { word-break: auto-phrase; text-wrap: pretty; }
.lead p { margin: 0 0 1.2em; line-height: 2; letter-spacing: 0.04em; }

.includes { margin: 30px 0 28px; }
.includes h2 { font-family: var(--font-serif); font-weight: 500; font-size: 1.05rem; letter-spacing: 0.14em; color: var(--gold); margin: 0 0 16px; }
.includes ul { display: inline-block; text-align: left; list-style: none; margin: 0; padding: 0; }
.includes li { position: relative; padding-left: 1.3em; margin: 0 0 0.9em; line-height: 1.8; }
.includes li::before { content: "・"; position: absolute; left: 0; color: var(--gold); }
.includes li b { font-weight: 600; }
.includes li small { display: block; font-size: 0.85rem; color: var(--fg-muted); letter-spacing: 0.02em; }

.price { margin: 26px 0 30px; font-family: var(--font-serif); letter-spacing: 0.06em; color: var(--fg); }
.price b { font-size: 2rem; font-weight: 500; color: var(--gold); }
.price span { font-size: 0.9rem; margin-left: 0.3em; color: var(--fg-muted); }

.cta { margin: 34px 0 18px; }
.cta .gate-note { margin-top: 18px; font-size: 0.8rem; line-height: 1.9; color: var(--fg-muted); }
.cta .msg { margin: 16px auto 0; max-width: 28em; font-size: 0.9rem; line-height: 1.9; color: var(--fg); }
.cta .msg a { color: var(--gold); }

.cta .pending { margin: 14px auto 0; max-width: 28em; font-size: 0.92rem; line-height: 1.9; color: var(--fg); }

.terms { margin: 28px auto 0; max-width: 34em; padding: 16px 18px; border-top: 1px solid var(--card-border); border-bottom: 1px solid var(--card-border); font-size: 0.84rem; line-height: 1.9; color: var(--fg-muted); text-align: left; }
.terms p { margin: 0 0 0.5em; line-height: 1.9; letter-spacing: 0.02em; }
.terms p:last-child { margin-bottom: 0; text-align: center; }
.terms b { color: var(--fg); font-weight: 600; margin-right: 0.4em; }
.terms a { color: var(--gold); }

.expert { margin-top: 20px; text-align: center; }
.expert h2 { font-family: var(--font-serif); font-weight: 500; font-size: 1rem; letter-spacing: 0.1em; margin: 0 0 8px; }
.expert p { margin: 0; color: var(--fg-muted); }

.month-pick { margin: 6px auto 26px; padding: 0; border: 0; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.month-opt { display: inline-flex; align-items: center; gap: 0.6em; min-width: 12em; min-height: 44px; padding: 6px 18px; border: 1px solid var(--card-border); border-radius: 999px; cursor: pointer; font-family: var(--font-serif); font-size: 1.05rem; letter-spacing: 0.08em; color: var(--fg); }
.month-opt:has(input:checked) { border-color: var(--gold); background: rgba(212, 175, 55, 0.12); color: var(--gold-light); }
.month-opt input { accent-color: var(--gold); width: 1.1em; height: 1.1em; margin: 0; }
.month-note { margin: -2px 0 2px; font-size: 0.8rem; line-height: 1.7; color: var(--fg-muted); }
.month-hint { margin: 4px 0 0; font-size: 0.8rem; line-height: 1.7; color: var(--fg-muted); text-align: center; }
.gate.is-waiting { opacity: 0.55; }
.kouro-notes { margin: 8px auto 0; max-width: 34em; text-align: left; }
.kouro-notes .gate-note { margin: 0 0 0.6em; padding-left: 1em; text-indent: -1em; font-size: 0.8rem; line-height: 1.9; color: var(--fg-muted); }

@media (max-width: 480px) {
  .panel { padding: 28px 18px; }
  .lead h1 { font-size: 1.25rem; letter-spacing: 0.12em; }
  .lead h1::before, .lead h1::after { margin: 0 0.4em; }
  .lead p { font-size: 0.95rem; }
  br.soft { display: none; }
  .purchase .nav ul { gap: 14px; }
}

.prepare { margin-top: 34px; }
.lead p.aside { font-size: 0.9rem; color: var(--fg-muted); }
.lead p.aside a { color: var(--gold); }

.invite { margin: 14px auto 0; max-width: 22em; }
.invite-link { background: none; border: 0; padding: 10px 6px; min-height: 44px; font: inherit; font-size: 0.84rem; letter-spacing: 0.04em; color: var(--fg-muted); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.invite-link:hover, .invite-link[aria-expanded="true"] { color: var(--gold); }
.invite-form { margin: 6px 0 0; padding: 16px 16px 12px; border: 1px solid var(--card-border); border-radius: var(--radius); text-align: left; }
.invite-form[hidden] { display: none; }
.invite-form label { display: block; margin: 0 0 6px; font-size: 0.82rem; letter-spacing: 0.04em; color: var(--fg-muted); }
.invite-form input { box-sizing: border-box; width: 100%; min-height: 44px; margin: 0 0 14px; padding: 8px 12px; border: 1px solid var(--card-border); border-radius: 8px; background: rgba(0, 0, 0, 0.25); color: var(--fg); font: inherit; font-size: 1rem; }
.invite-form #invite-code { font-family: ui-monospace, Menlo, Consolas, monospace; letter-spacing: 0.12em; text-transform: uppercase; }
.invite-form input:focus { outline: none; border-color: var(--gold); }
.invite-submit { display: block; width: 100%; min-height: 44px; padding: 8px 12px; border: 1px solid var(--gold); border-radius: 999px; background: rgba(212, 175, 55, 0.12); color: var(--gold-light); font: inherit; font-size: 0.95rem; letter-spacing: 0.08em; cursor: pointer; }
.invite-submit:disabled { opacity: 0.55; cursor: default; }
.invite-note { margin: 10px 0 0; font-size: 0.78rem; line-height: 1.8; color: var(--fg-muted); text-align: center; }
.invite-status { margin: 10px 0 0; font-size: 0.86rem; line-height: 1.8; color: var(--fg); text-align: center; }
.invite-status.is-ok { color: var(--gold-light); }

.need-diag { margin: 14px auto 20px; max-width: 30em; padding: 16px 16px 18px; border: 1px solid rgba(212, 175, 55, 0.55); border-radius: 14px; background: rgba(212, 175, 55, 0.07); text-align: center; line-height: 1.8; }
.need-diag p { margin: 0; }